20123018180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{52955311}}^1$

素因数の和:52955339

約数の個数: 24

約数和(自身を含む): 44482462080

約数和(自身を除く): 24359443900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 52955311, 105910622, 211821244, 264776555, 529553110, 1006150909, 1059106220, 2012301818, 4024603636, 5030754545, 10061509090, 20123018180]

約数ペア:

[(1, 20123018180), (2, 10061509090), (4, 5030754545), (5, 4024603636), (10, 2012301818), (19, 1059106220), (20, 1006150909), (38, 529553110), (76, 264776555), (95, 211821244), (190, 105910622), (380, 52955311)]